Fig.1-32

Fig.1-32  Dissolved 137Cs in reservoir

(a) The dissolved 137Cs concentration was higher in the output water than in the main input water, and the effective environmental half-life of 137Cs in the output water was longer than in the input water. (b) The dissolved 137Cs concentration increased toward the bottom layer when hypolimnetic anoxia occurred. (c) Significantly more dissolved 137Cs was output than input; approximately 32%-40% of the dissolved 137Cs in the output water was produced in the reservoir.

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